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To convert flow rate from GPH (US gallons per hour) to CFM, use the following conversion factor:
1 GPH = 0.0022280092365745 CFM
The formula is: CFM = Flow Rate in GPH × 0.0022280092365745
Use the form above to input the flow rate in various units, and the calculator will provide the result in CFM.
| GPH (0.1-1) | CFM |
|---|---|
| 0.1 | 0.00022 |
| 0.2 | 0.00045 |
| 0.3 | 0.00067 |
| 0.4 | 0.00089 |
| 0.5 | 0.00111 |
| 0.6 | 0.00134 |
| 0.7 | 0.00156 |
| 0.8 | 0.00178 |
| 0.9 | 0.00201 |
| 1.0 | 0.00223 |
| GPH (1-10) | CFM |
|---|---|
| 1 | 0.00223 |
| 2 | 0.00446 |
| 3 | 0.00668 |
| 4 | 0.00891 |
| 5 | 0.01114 |
| 6 | 0.01337 |
| 7 | 0.01560 |
| 8 | 0.01782 |
| 9 | 0.02005 |
| 10 | 0.02228 |
| GPH (10-100) | CFM |
|---|---|
| 10 | 0.02228 |
| 20 | 0.04456 |
| 30 | 0.06684 |
| 40 | 0.08912 |
| 50 | 0.11140 |
| 60 | 0.13368 |
| 70 | 0.15596 |
| 80 | 0.17824 |
| 90 | 0.20052 |
| 100 | 0.22280 |
This calculator helps you convert flow rates from various units (GPH, GPM, L/h, L/s) to CFM (Cubic Feet per Minute).
Steps to use:
This tool is useful for applications in ventilation, HVAC systems, and industrial processes where airflow measurements need to be converted to CFM.